Merci pour toutes ces précisions.
“entre 30 et 50 wifi”
c’est dingue !
chez moi, je “pique” mon seul wifi, malgré une résidence dont le premier appart est approximativement éloigné de 100 m.
Je suis au 4 eme étage dans un environnement urbain très dense
Tiens juste pour info à l’instant# iwlist wlan0 scan | grep "(Channel"
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.437 GHz (Channel 6)
Frequency:2.427 GHz (Channel 4)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.457 GHz (Channel 10)
Frequency:2.462 GHz (Channel 11)
Frequency:2.472 GHz (Channel 13)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.412 GHz (Channel 1)
Frequency:2.437 GHz (Channel 6)
Frequency:2.437 GHz (Channel 6)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.427 GHz (Channel 4)
Frequency:2.462 GHz (Channel 11)
Frequency:2.437 GHz (Channel 6)
Frequency:2.437 GHz (Channel 6)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.462 GHz (Channel 11)
Frequency:2.457 GHz (Channel 10)
Frequency:2.472 GHz (Channel 13)
Frequency:2.462 GHz (Channel 11)
Frequency:2.437 GHz (Channel 6)
Frequency:2.437 GHz (Channel 6)
Frequency:2.437 GHz (Channel 6)
Frequency:2.437 GHz (Channel 6)
Frequency:2.432 GHz (Channel 5)
Frequency:2.432 GHz (Channel 5)
Frequency:2.432 GHz (Channel 5)
Frequency:2.447 GHz (Channel 8)
Frequency:2.447 GHz (Channel 8)
Frequency:2.447 GHz (Channel 8)
Frequency:2.447 GHz (Channel 8)
Frequency:2.462 GHz (Channel 11)
Tu comprends que j’ai eu quelques problèmes wifi et que j’ai essayé de m’en sortir
L’année prochaine, déménagement et zou, à la campagne 
Wahou!!!